Ritchie Manufacturing Company makes a product that it sells for $180 per unit. The company incurs variable manufacturing costs of $100 per unit. Variable selling expenses are $17 per unit, annual fixed manufacturing costs are $460,000, and fixed selling and administrative costs are $195,200 per year. Required Determine the break-even point in units and dollars using each of the following approaches: a. Use the equation method. b. Use the contribution margin per unit approach. c. Use the contribution margin ratio approach. d. Prepare a contribution margin income statement for the break-even sales volume. Complete this question by entering your answers in the tabs below. Req A to C Req D Determine the break-even point in units and dollars using the equation method, the contribution margin per unit approach and the contribution margin ratio approach. a. Break-even point in units Break-even point in dollars b. Contribution margin per unit Break-even point in units Break-even point in dollars c. Contribution margin ratio Break-even point in units Break-even point in dollars %